20122090

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25471}}^1$

素因数の和:25557

約数の個数: 16

約数和(自身を含む): 36679680

約数和(自身を除く): 16557590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 25471, 50942, 127355, 254710, 2012209, 4024418, 10061045, 20122090]

約数ペア:

[(1, 20122090), (2, 10061045), (5, 4024418), (10, 2012209), (79, 254710), (158, 127355), (395, 50942), (790, 25471)]